<?php

/**
 * UserIdentity represents the data needed to identity a user.
 * It contains the authentication method that checks if the provided
 * data can identity the user.
 */
class UserIdentity extends CUserIdentity
{
	/**
	 * Authenticates a user.
	 * The example implementation makes sure if the username and password
	 * are both 'demo'.
	 * In practical applications, this should be changed to authenticate
	 * against some persistent user identity storage (e.g. database).
	 * @return boolean whether authentication succeeds.
	 */
     
    public $email; 
    public $autoLogin;
  
 
    public function __construct($email, $password) {
        $this->email = $email;
        $this->password = $password;
    }
    
	public function authenticate()
	{
	   $user = User::model()->findByAttributes(array(
             'email' => $this->email
        ));
        
	     if ($user === null) {
             $this->errorCode = self::ERROR_EMAIL_INVALID;
         }else{
             // check Auto or Not
            if($this->autoLogin == false){
                $password=md5($this->password);
            }           
            
            if($user->password !== $password) {
                 $this->errorCode = self::ERROR_PASSWORD_INVALID;
             } else {
                 $this->errorCode = self::ERROR_NONE;
             }
         }
         return !$this->errorCode;
	}
}